Improved method of forming sleeve-button shanks



method of forming a be. The cup-shaped ing the shank to the spinning or striking iiliied gtst@ am; com

Letters Patent No. 97,156,

lated YNovember 23, 1869.

IMPROVEI METHOD OI' FORMIN'G- .SLEEVE-BUTTON SHANKS.

The Schednle referred to in these Letters Patent and making part of the same To all whom it may concern.-

Be it known that I, WILLIAM H. BLAKE, of Waterbury, in the county of New Haven, and State of .Conllecticut, have invented a new .Improvement ill the Method of Forming Buttoll-Sllallks; and I hereby declare the following, when taken ill connection with the accom pall yin g drawings, and letters of reference marked thereon, to he a full, clear, and exact description ofthe same, and which said drawings constitutepart of' this speciticatioll, and represent, ill.-

Figure l, a side viei of a button complete;

Figure 2, a central section of the same;

Figures 3, 4and 5, my improved method; and in Figures 6, 7, 8, 9, 10, the old method.

This invention relates to au improvement ill the cup-shaped disk on the shank of means of which the shank is attached "to buttons, by

and before proceeding to a description of the button;

i nly improvement, I rst'dcscrihe the method as heretofore practised.-

First, for the' shank a., wires arel cnt to the proper length, as seen ill tig. 6. rlllen, from' slleet-l'netal, a disk, b, is cut, as seen ill iig. 7. This disk is struck into cup-shape, as denoted in fig. 8, alld thecup is soldered or brazed on to vthe shank, as seen in g. 9. 'lhell the otller elld ofthe shank is soldered to a disk, c, of metal, seen in iig.10, the last-named diskfol'ming tlle back of sleeve-huttoll, or stud, as the case may disk forms a llleans for connectbutton proper, and this is done by thrilling aI recess in the button, as seen ill iig. 2, alld setting the cllpfsllaped disk into the said recess, and it down illto the recess, as seen ill fig. 2. By this method, it will he seen tllat there are four operations for the formation of the sllan k and cupshaped disk, and also that it is veryv difiicult to attach the cup-shaped disk to the shank, so as to be true andcentral thereon, and that it must require il'st-class workmen, and many of the cup-shaped disks are very v piece of metal.

I take wire ofthe requisite size and length, and upset a disk, e, thereon, as seen in iig. 3, and this is done ll similar manner as for heading rivets, tllus formil'lg a V'lat disk, e, on the shank (l, the disk e being of therequired size to form suitable dies, seen in iig. 4.

the cnpon the sllank. Then, ill

".lllus, instead of four operations, showll'in figs. (i, 7, i

8, and 9, by the old method ot' forming the shank, I produce the same, or a Very much better and cheaper article, by three operations, as seen in iigs. 3 and 4.

My improved shank is attached to the button, alld to the hack, if desired, in the usual manner.

I claim, as my invention- The improved method, herein described, of forming the shallk (l, with its cup-shaped disk f, ill one andthe salue piece of' metal.

' \VILL`IAM H. BLAKE.

IVitnesses A. J. Tml'ls, MICHAEL RYAN.

the disk e is struck into cup-form j, as 

